Mercedes-Benz S450 vs Lexus LX500D

What's the difference?

It's only in the running for the title of world's best luxury car. No biggie here, then.

Like Rolex and Concorde, S-Class has become a byword for ultimate, and deserved or not, the Mercedes-Benz defines its segment despite the best efforts of the BMW 7 Series, Audi A8, Lexus LS and (sadly now-defunct) Jaguar XJ, as well as pointing the way forward with new technologies that eventually trickle down to more proletarian models.

Replacing the half-million selling W222 unveiled in 2013, the W223 is the latest in a long line since the first W187 Ponton debuted in 1951, and includes the famous ‘Finnies' and Stroke-8 models that followed immediately afterwards, but it is the 1972 W116 that really set the template.

Now, seven generations in, the 2021 S-Class is all-new again, with progressive safety and interior features that should help keep it Australia's bestselling full-sized upper-luxury sedan.

The Lexus LX range has undergone significant updates across the board and the carmaker has also introduced an off-road-focused variant, the Overtrail, to the Aussie market.

The LX500d Overtrail is geared up for 4WDing and, as such, is kitted out with front and rear locking differentials, Toyo Open Country all-terrain tyres on 18-inch rims, as well as a stack of driver-assist aids – including the proven Multi-Terrain Select from Toyota’s LandCruiser 300 Series – all aimed at making you The Absolute King of the Dirty Weekend.

But, being a Lexus, the Overtrail is of course on the right side of premium, replete with a features list as long as … something that is long.

So, how does it perform off-road?

Read on.